Depressurize means to reducemake less or smaller in amount, degree, or intensity the pressureforce pressing on a surface from air, liquid, or another substance inside something, especially a container, cabin, or system. It is a technical term often used in aviationthe operation, design, and use of aircraft and engineering.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /di-prɛSH-ə-rize/
Easy pronunciation: dee-presh-uh-RIZE (approximate spelling).
Stress: Stress falls on the last syllable, RIZE.
Verb meaning to reduce the pressure inside something.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Depressurize Meaning
to make the air or gas pressure lower
Part of speech: verb
Definition: to reduce the pressure inside something
Example: The crew depressurized the cabin before maintenance began.
Synonyms for this meaning:
- decompress — A close technical synonym for reducing pressure.
- depressurise — British spelling of the same word.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Depressurize Synonyms
Similar Meaning
- decompress
- depressurise
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Common Mistakes
- People sometimes confuse depressurize with pressurize, which means to increase pressure, not reduce it.
- Depressurize is often misspelled as depressurise in American English, but that spelling is standard in British English.
Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does depressurize mean?
It means to lower the pressure inside something, such as an aircraft cabin or a sealed system.
What are synonyms for depressurize?
Good synonyms include decompress and the British spelling depressurise.
Is depressurize the same as pressurize?
No. Pressurize means to increase pressure, while depressurize means to reduce it.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-18. AI assessment; not a guarantee of accuracy.